Capacitive deionization for the removal of paraquat herbicide from aqueous solution

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dc.contributor.authorAlfredy, Tusekile
dc.contributor.authorElisadiki, Joyce
dc.contributor.authorJande, Yusufu Abeid Chande
dc.date.accessioned2023-05-24T08:37:58Z
dc.date.available2023-05-24T08:37:58Z
dc.date.issued2021
dc.descriptionFull text article. Also available at https://doi.org/10.1155/2021/9601012en_US
dc.description.abstractIn comparison to other conventional methods like adsorption and reverse osmosis (RO), capacitive deionization (CDI) has only been investigated extensively for the removal of inorganic pollutants from water, demonstrating limited practicality. Herein, the study investigated the use of CDI for the removal of paraquat (PQ) herbicide from water by using commercial activated carbon (AC) electrodes. The CDI performance was examined as a function of the initial PQ concentration, applied voltage, flowrate, treatment time, and cycle stability testing in the batch mode approach. The applied voltage had a beneficial effect on the removal efficiency, whereas the removal efficiency of PQ declined as the initial PQ concentration increased. However, the electrosorption capacity gradually increased with the increase of initial feed solutions’ concentration. The maximum removal efficiency and electrosorption capacity achieved at 5 mg/L and 20 mg/L PQ initial concentrations, an applied voltage of 1.2 V, and 5 mL/min flowrate were 100% and 0.33 mg/g and 52.5% and 0.7 mg/g, respectively. Washing the electrodes with distilled water achieved sequential desorption of PQ, and the process produces a waste stream that can be disposed of or treated further. Therefore, the CDI method is considered a promising and efficient method for removing organic pollutants from water including pesticides.en_US
dc.identifier.citationAlfredy, T., Elisadiki, J., & Jande, Y. A. C. (2021). Capacitive deionization for the removal of paraquat herbicide from aqueous solution. Adsorption Science & Technology, 2021, 1-9.en_US
dc.identifier.otherDOI: https://doi.org/10.1155/2021/9601012
dc.identifier.urihttp://hdl.handle.net/20.500.12661/3903
dc.language.isoenen_US
dc.publisherSage publishing and Hindawien_US
dc.subjectDeionizationen_US
dc.subjectCapacitive Deionizationen_US
dc.subjectHerbicidesen_US
dc.subjectAqueous solutionen_US
dc.subjectParaquat herbicideen_US
dc.subjectInorganic pollutantsen_US
dc.subjectActivated carbonen_US
dc.subjectWater purificationen_US
dc.subjectReverse osmosisen_US
dc.subjectAdsorptionen_US
dc.titleCapacitive deionization for the removal of paraquat herbicide from aqueous solutionen_US
dc.typeArticleen_US
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